Estimating Circumference

The length around the outside of a circle is its ________.

If you are finding the distance around an object, what are you solving for?

• Area

• Volume

• Plus and Minus

• Perimeter

Farmer Bob needs to build a fence for his chickens. What does he need to know?

• area

• perimeter

Find the circumference. Round to the nearest tenth.

• 18.8 cm.

• 75.4 cm.

• 37.7 cm.

• not enough information

Tags

CCSS.7.G.B.4

The radius of a cookie is 5 inches. What is the cookie’s

circumference?

• 10 in

• 2.5 in

• 15.7 in

• 31.4 in

Tags

CCSS.7.G.B.4

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's perimeter? (Use 3.14 for pi.)

• 21.25 m²

• 19.55 m²

• 15.36 m²

• 18.84 m

Tags

CCSS.7.G.B.4

What is the circumference of this circle?

• 78.5 m

• 31.4 m

• 15.7 m

• 3.14 m

Tags

CCSS.7.G.B.4

What is the circumference of this circle?

• 8.1 m

• 15.7 m

• 10.0 m

• 31.4 m

Tags

CCSS.7.G.B.4

What is the circumference?

• 48

• 96

• 24

• 18

Tags

CCSS.7.G.B.4

• 48 cookies
• 24 cookies
• 8 cookies
• 4 cookies

Tags

CCSS.4.MD.A.2